CN107606493A - A kind of pipeline leakage checking system - Google Patents
A kind of pipeline leakage checking system Download PDFInfo
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- CN107606493A CN107606493A CN201711025866.8A CN201711025866A CN107606493A CN 107606493 A CN107606493 A CN 107606493A CN 201711025866 A CN201711025866 A CN 201711025866A CN 107606493 A CN107606493 A CN 107606493A
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Abstract
This application discloses a kind of pipeline leakage checking system, for gathering the temperature pixel map of pipeline detection zone by temperature collector, after temperature pixel map is converted to bright temperature figure by server by 3 thermometry, judge whether pipe detection region leaks, the situation of pipe leakage can be accurately obtained.The system includes：Temperature collector, server and application platform, temperature collector are connected with the server, and server is connected with application platform；Temperature collector, for obtaining the temperature pixel map in pipe detection region；Server, scheme for temperature pixel map to be converted into bright temperature by 3 thermometry；Server, it is additionally operable to judge whether pipe detection region leaks according to bright temperature figure；Server, it is additionally operable to when judging that pipe detection region leaks, generates warning information；Application platform, for according to warning information signal an alert.
Description
Technical field
The application is related to pipeline field, more particularly to a kind of pipeline leakage checking system.
Background technology
Current pipeline leakage detection method mainly has two classes：Direct detecting method and Indirect Detecting Method.Directly detect
Method is exactly using the detecting element (such as leak detection cable or oily sensing element) being preset at outside pipeline, directly measures leaking medium.
Indirect Detecting Method is exactly the generation that the change by detecting pipeline operational factor is inferred to leakage, such as detects pressure, flow
Method.
But although direct detecting method can detect small seepage, and can position, require in pipe-line construction
Installed simultaneously with pipeline；Indirect Detecting Method sensitivity is high not as direct detecting method, is only suitable for detecting larger leakage.
The content of the invention
This application provides a kind of pipeline leakage checking system, for gathering pipeline detection zone by temperature collector
Temperature pixel map, after temperature pixel map is converted into bright temperature figure by 3 thermometry, judge whether pipe detection region occurs
Leakage, the situation of pipe leakage can be accurately obtained.
The application first aspect provides a kind of pipeline leakage checking system, including：
Temperature collector, server and application platform, the temperature collector are connected with the server, the server
It is connected with the application platform；
The temperature collector, for obtaining the temperature pixel map in pipe detection region；
The server, scheme for the temperature pixel map to be converted into bright temperature by 3 thermometry；
The server, it is additionally operable to judge whether the pipe detection region leaks according to the bright temperature figure；
The server, it is additionally operable to when judging that the pipe detection region leaks, generates warning information；
The application platform, for according to the warning information signal an alert.
With reference to the application in a first aspect, in the application first aspect first embodiment, the system also includes three electricity
Sub- thermo detector, electronic thermometer are installed on the pipe detection region；
The electronic thermometer, for obtaining the measurement pixel value and test temperature value in the pipe detection region.
With reference to the application first aspect first embodiment, in the application first aspect second embodiment, the service
Device includes：
External apparatus interface and processor；
The external apparatus interface is connected with the temperature collector and the electronic thermometer；
The external apparatus interface, for obtaining the measurement picture of three electronic thermometers on the pipe detection region
Element value and test temperature value；
The processor, it is additionally operable to, according to the measurement pixel value and test temperature value, temperature temperature transition be calculated
Equation；
The processor, it is additionally operable to obtain the pixel value of each pixel in the focus pixel map；
The processor, the pixel value according to each pixel and the temperature temperature transition equation are additionally operable to,
Obtain the calculating temperature value of each pixel；
The processor, it is additionally operable to choose a pixel as target pixel points；
The processor, it is additionally operable to choose the pixel of preset quantity in the target pixel points peripheral region as regulation
Pixel；
The processor, it is additionally operable to calculate the calculating for calculating temperature value and the regulation pixel of the target pixel points
The average value of temperature value, obtain the actual temperature value of the target pixel points；
The processor, it is additionally operable to obtain the actual temperature value of all pixels point in the focus pixel map, obtains bright temperature
Figure.
With reference to the application first aspect second embodiment, in the embodiment of the application first aspect the 3rd,
The processor, it is additionally operable to be schemed according to the bright temperature, obtains the actual temperature value of each pixel；
The processor, it is additionally operable to judge to exceed preset temperature threshold value with the presence or absence of actual temperature value in the bright temperature figure
Pixel；
The processor, it is additionally operable to the picture that actual temperature value exceedes the preset temperature threshold value in the bright temperature figure be present
During vegetarian refreshments, determine that the pipe detection region leaks；
The processor, it is additionally operable to work as in the bright temperature figure in the absence of actual temperature value more than the preset temperature threshold value
During pixel, determine that the pipe detection region does not leak.
With reference to the application first aspect second embodiment, in the embodiment of the application first aspect the 3rd,
The processor, it is additionally operable to be schemed according to the bright temperature, obtains the actual temperature value of each pixel；
The processor, it is additionally operable to obtain the bright temperature figure of history in record sheet, obtains the historical temperature of each pixel
Value；
The processor, it is additionally operable to, according to the actual temperature value and the historical temperature value, obtain each pixel
Temperature change value；
The processor, it is additionally operable to judge to exceed preset change threshold with the presence or absence of temperature change value in the bright temperature figure
Pixel；
The processor, it is additionally operable to the picture that temperature change value exceedes the preset change threshold in the bright temperature figure be present
During vegetarian refreshments, determine that the pipe detection region leaks；
The processor, it is additionally operable to work as in the bright temperature figure in the absence of temperature change value more than the preset change threshold
During pixel, determine that the pipe detection region does not leak.
With reference to the application first aspect, first aspect first embodiment, first aspect second embodiment, first aspect
3rd embodiment or the embodiment of first aspect the 4th, in the embodiment of the application first aspect the 5th, the temperature collection
Device is infrared camera.
With reference to the embodiment of the application first aspect the 5th, in the embodiment of the application first aspect the 6th, the system
Also include：Image processor；
Described image processor is connected with the external apparatus interface of the infrared camera and the server；
The infrared camera, the temperature figure specifically for shooting conduit region；
Described image processor, it is additionally operable to determine the pipe detection region for detection in the conduit region；
Described image processor, is additionally operable to by way of mapping, and the pipe detection is calibrated in the temperature figure
The location of pixels in region, obtain the temperature pixel map in the pipe detection region.
With reference to the embodiment of the application first aspect the 6th, in the embodiment of the application first aspect the 7th,
The server, it is additionally operable to, when judging that the pipe detection region does not leak, not generate warning information.
As can be seen from the above technical solutions, it is flat to include temperature collector, server and application for pipeline leakage checking system
Platform, temperature collector obtain the temperature pixel map in pipe detection region；Server is turned temperature pixel map by 3 thermometry
Bright temperature figure is changed to, is schemed to judge whether pipe detection region leaks according to bright temperature, when judging that pipe detection region leaks
When, warning information is generated, after application platform receives the warning information of server, signal an alert, is directly examined with existing
Survey method is compared, and the application without installing together with pipeline, and compared with existing Indirect Detecting Method, the application's can detect
To the pipe leakage of pixel specification, high sensitivity.
Brief description of the drawings
Fig. 1 is one embodiment schematic diagram for the pipeline leakage checking system that the application provides；
Fig. 2 is another embodiment schematic diagram for the pipeline leakage checking system that the application provides；
Fig. 3 is the another embodiment schematic diagram for the pipeline leakage checking system that the application provides；
Fig. 4 is the another embodiment schematic diagram for the pipeline leakage checking system that the application provides；
Fig. 5 is the another embodiment schematic diagram for the pipeline leakage checking system that the application provides.
Embodiment
This application provides a kind of pipeline leakage checking system, for gathering pipeline detection zone by temperature collector
Temperature pixel map, after temperature pixel map is converted to bright temperature figure by server by 3 thermometry, judge that pipe detection region is
It is no to leak, the situation of pipe leakage can be accurately obtained.
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.
Term " first ", " second ", " the 3rd " in the description and claims of this application and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution is so demarcated can exchange in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
The application obtains the first image information first, wherein the first image newly includes human face image information or target collection is set
The ambient image information of standby surrounding, that is to say, that target collecting device is likely to be at a region for having personnel to come in and go out, it is also possible to
The region to be come in and gone out in one without personnel, in order to make it easy to understand, being said respectively to the application with reference to Fig. 1 and Fig. 2
It is bright.
Referring to Fig. 1, the embodiment of the present application provides a kind of pipeline leakage checking system, including：
Temperature collector 101, server 102 and application platform 103, temperature collector 101 are connected with server 102, clothes
Business device 102 is connected with application platform 103；
Temperature collector 101, for obtaining the temperature pixel map in pipe detection region；
Server 102, scheme for the temperature pixel map to be converted into bright temperature by 3 thermometry；
Server 102, it is additionally operable to judge whether the pipe detection region leaks according to the bright temperature figure；
Server 102, it is additionally operable to when judging that the pipe detection region leaks, generates warning information；
Application platform 103, for according to the warning information signal an alert.
In the embodiment of the present application, it is high-temp liquid in pipeline that the scene mainly applied, which is, if pipeline leakage, in pipe line area
The temperature in domain can change, then get the temperature pixel in pipe detection region by the shooting of temperature collector 101
Figure because from temperature collector 101 obtain be pixel value, generic term is digital quantization value or DN values, and it is usually used to
Description is not calibrated to the pixel value of meaningful unit also, and DN values can be converted to radiance by linear transformation, i.e.,
Radiance=a*DN+b, and thermal infrared radiation luminance picture can be changed into bright temperature image by radiance by Planck equation,
Therefore, after server 102 receives the temperature pixel map of the acquisition of temperature collector 101, can be counted by 3 thermometry
Calculate transfer equation, then 3 thermometry can be converted to temperature pixel map in bright temperature figure.Because bright temperature figure is by temperature picture
What sketch map was converted to, and corresponding to temperature pixel map it is pipe detection region, then sent out if somewhere in pipe detection region
If raw leakage, bright temperature figure necessarily raises to the temperature that should locate, and therefore, bright temperature figure can be realized server 102 according to the observation
The detection of pipe detection area leakage, it be have leaked in the event of leakage, it is necessary to prompt user pipe detection zone to have occurred and that,
So as to facilitate user timely to handle leakage, therefore server 102 generates warning information, transmits alert information to application platform
103, application platform 103 is according to warning information signal an alert, and alarm signal user reminding user pipe detection zone is
Leaked.Compared with existing direct detecting method, the application without installing together with pipeline, with existing indirect detection
Method is compared, the pipe leakage that can detect pixel specification of the application, high sensitivity.
Optionally, as shown in Fig. 2 in some embodiments of the present application, system also includes three electronic thermometers 201, electricity
Sub- thermo detector 201 is installed on pipe detection region；
Electronic thermometer 201, for obtaining the measurement pixel value and test temperature value in pipe detection region.
Optionally, as shown in figure 3, in some embodiments of the present application, server 102 includes：
External apparatus interface 301 and processor 302；
External apparatus interface 301 is connected with temperature collector 101 and electronic thermometer 201；
External apparatus interface 301, for obtaining on pipe detection region measurement pixel value and the survey of three electronic thermometers
Try temperature value；
Processor 302, for according to measurement pixel value and test temperature value, temperature temperature transition equation to be calculated；
Processor 302, it is additionally operable to obtain the pixel value of each pixel in focus pixel map；
Processor 302, pixel value and temperature temperature transition equation according to each pixel are additionally operable to, obtains each
The calculating temperature value of pixel；
Processor 302, it is additionally operable to choose a pixel as target pixel points；
Processor 302, it is additionally operable to choose the pixel of preset quantity in target pixel points peripheral region as regulation pixel
Point；
Processor 302, it is additionally operable to calculate the calculating temperature value for calculating temperature value and adjusting pixel of target pixel points
Average value, obtain the actual temperature value of target pixel points；
Processor 302, it is additionally operable to obtain the actual temperature value of all pixels point in focus pixel map, obtains bright temperature figure.
In the embodiment of the present application, three electronic thermometers 201 are installed by three measurement points in pipe detection region,
External apparatus interface 301 can just obtain the measurement pixel value and test temperature value of these three measurement points, because DN values can lead to
Cross linear transformation and be converted to radiance, i.e. Radiance=a*DN+b, and radiance can be by Planck equation by thermal infrared
Radiance image changes into bright temperature image, then can obtain a normalized equation：
Temperature=K2/ln (1/ (a'*DN+b')+1) Temperature=K2/ln(1/(a′*DN+b′)+1)；
Processor 302 can by the way that three measurement points are measured into pixel values (DN) and test temperature value (Temperature),
Bring above-mentioned formula into, with regard to that can calculate, wherein K_2, a', tri- parameters of b' and K2, the occurrence of three parameters of a ', b ', that
With regard to temperature temperature transition equation can be obtained.Processor 302 first obtains focus picture after temperature temperature transition equation has been obtained
The pixel value of each pixel in sketch map, the pixel value of each pixel is updated to temperature temperature transition equation respectively
In, so as to calculate the calculating temperature value of each pixel, the calculating temperature value being worth to according to pixel is simply according to temperature
Temperature transition equation is calculated, then its accuracy can not just ensure, therefore also need to carry out certain adjustment, processor
302 choose a pixel as target pixel points, choose the pixel conduct of preset quantity in target pixel points peripheral region
Pixel is adjusted, specifically, regulation pixel can be used as using the pixel of the 5*5 neighborhood of pixels around selection target pixel.
Processor 302 carries out mean value computation to the calculating temperature value for calculating temperature value and adjusting pixel of target pixel points, obtains
It is exactly the actual temperature value of target pixel points.Processor 302 obtains the actual temperature value of all pixels point in focus pixel map, obtains
Scheme to bright temperature, so ensure that the flatness and robustness of whole bright temperature figure.
In the embodiment shown in figure 3 above, processor 302 judges whether pipe detection region occurs according to bright temperature figure
Leakage can specifically be realized by two ways, be illustrated below：
(1) it is, optional, in some embodiments of the present application,
Processor 302, it is additionally operable to be schemed according to bright temperature, obtains the actual temperature value of each pixel；
Processor 302, it is additionally operable to judge the pixel for exceeding preset temperature threshold value in bright temperature figure with the presence or absence of actual temperature value
Point；
Processor 302, it is additionally operable to when the pixel that actual temperature value exceedes preset temperature threshold value in bright temperature figure be present, really
Fixed tube road detection zone leaks；
Processor 302, it is additionally operable to when exceeding the pixel of preset temperature threshold value in the absence of actual temperature value in bright temperature figure,
Determine that pipe detection region does not leak.
(2) it is, optional, in some embodiments of the present application,
Processor 302, it is additionally operable to be schemed according to bright temperature, obtains the actual temperature value of each pixel；
Processor 302, it is additionally operable to obtain the bright temperature figure of history in record sheet, obtains the historical temperature of each pixel
Value；
Processor 302, it is additionally operable to, according to actual temperature value and historical temperature value, obtain the temperature change of each pixel
Value；
Processor 302, it is additionally operable to judge the pixel for exceeding preset change threshold in bright temperature figure with the presence or absence of temperature change value
Point；
Processor 302, it is additionally operable to when the pixel that temperature change value exceedes preset change threshold in bright temperature figure be present, really
Fixed tube road detection zone leaks；
Processor 302, it is additionally operable to when exceeding the pixel of preset change threshold in the absence of temperature change value in bright temperature figure,
Determine that pipe detection region does not leak.
The processing mode of processor 302 can detect whether pipe detection region leaks in (1) and (2) above,
And it can determine the position that pipe detection region leaks.
Optionally, as shown in figure 4, in some embodiments of the present application, temperature collector is specially infrared camera 401.
Optionally, as shown in figure 4, in some embodiments of the present application, system also includes：Image processor 402；
Image processor 402 is connected with the external apparatus interface 301 of infrared camera 401 and server；
Infrared camera 401, the temperature figure specifically for shooting conduit region；
Image processor 402, it is additionally operable to determine the pipe detection region for detection in conduit region；
Image processor 402, is additionally operable to by way of mapping, and the pixel in pipe detection region is calibrated in temperature figure
Position, obtain the temperature pixel map in pipe detection region.
In the embodiment of the present application, it in pipeline is high-temp liquid to be due to the scene that pipeline leakage checking system is mainly applied,
If pipeline leakage, can be changed in the temperature of conduit region, then pipeline is got by the shooting of infrared camera
The temperature pixel map of detection zone, cheap infrared camera can be obtained by pixel map of the scope between 0-255 to represent
Temperature, therefore, the possibility with realization when temperature collector uses infrared camera 401, because infrared camera 401 is shot
Scope be a region, and pipe detection region is not fixed, but full conduit region, therefore, infrared camera 401
Need first to shoot the temperature figure of conduit region, image processor 402 determines one section or certain limit region in conduit region
Detected, referred to as pipe detection region, image processor 402 calibrates pipeline inspection by way of mapping in temperature figure
Survey the location of pixels in region, the temperature pixel map with regard to pipe detection region can be obtained.
Optionally, as shown in figure 4, in some embodiments of the present application,
The processor, it is additionally operable to, when judging that pipe detection region does not leak, not generate warning information.
Optionally, as shown in figure 5, in some embodiments of the present application, application platform 103 includes：
Siren 501, for generating alarm signal according to warning information.
In the embodiment of the present application, application platform 103 can be a user terminal, such as mobile phone, computer etc., can also look forward to
Application system of industry etc., application platform 103 include siren 501, are sent in the processor 303 for receiving server 102
After warning information, the signal an alert of siren 501, the effect of alarm signal is to prompt the user of application platform 103, pipeline
Detection zone has occurred that leakage, and specific alarm signal can be the voice signal of the types such as buzzing or answer
With on the screen of platform with the signal of the color types such as red, can also be pipe detection region in the position of whole conduit region
Confidence breath is shown.
Summary embodiment, the pipeline leakage checking system of the application gather pipeline detection zone by temperature collector
Temperature pixel map, after temperature pixel map is converted to bright temperature figure by server by 3 thermometry, judge pipe detection region
Whether leak, the situation of pipe leakage can be accurately obtained, if pipe detection region leaks, server generation
Warning information, application platform is according to warning information signal an alert, and compared with existing direct detecting method, the application need not
Installed together with pipeline, compared with existing Indirect Detecting Method, the pipeline that can detect pixel specification of the application is let out
Leakage, high sensitivity.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
Claims (9)
- A kind of 1. pipeline leakage checking system, it is characterised in that including：Temperature collector, server and application platform, the temperature collector are connected with the server, the server and institute State application platform connection；The temperature collector, for obtaining the temperature pixel map in pipe detection region；The server, scheme for the temperature pixel map to be converted into bright temperature by 3 thermometry；The server, it is additionally operable to judge whether the pipe detection region leaks according to the bright temperature figure；The server, it is additionally operable to when judging that the pipe detection region leaks, generates warning information；The application platform, for according to the warning information signal an alert.
- 2. system according to claim 1, it is characterised in that the system also includes three electronic thermometers, electronic, horological Temperature meter is installed on the pipe detection region；The electronic thermometer, for obtaining the measurement pixel value and test temperature value in the pipe detection region.
- 3. system according to claim 2, it is characterised in that the server includes：External apparatus interface and processor；The external apparatus interface is connected with the temperature collector and the electronic thermometer；The external apparatus interface, for obtaining the measurement pixel value of three electronic thermometers on the pipe detection region And test temperature value；The processor, for according to the measurement pixel value and test temperature value, temperature temperature transition equation to be calculated；The processor, it is additionally operable to obtain the pixel value of each pixel in the focus pixel map；The processor, the pixel value according to each pixel and the temperature temperature transition equation are additionally operable to, is obtained The calculating temperature value of each pixel；The processor, it is additionally operable to choose a pixel as target pixel points；The processor, it is additionally operable to choose the pixel of preset quantity in the target pixel points peripheral region as regulation pixel Point；The processor, it is additionally operable to calculate the calculating temperature for calculating temperature value and the regulation pixel of the target pixel points The average value of value, obtain the actual temperature value of the target pixel points；The processor, it is additionally operable to obtain the actual temperature value of all pixels point in the focus pixel map, obtains bright temperature figure.
- 4. system according to claim 3, it is characterised in thatThe processor, it is additionally operable to be schemed according to the bright temperature, obtains the actual temperature value of each pixel；The processor, it is additionally operable to judge the pixel for exceeding preset temperature threshold value in the bright temperature figure with the presence or absence of actual temperature value Point；The processor, it is additionally operable to the pixel that actual temperature value exceedes the preset temperature threshold value in the bright temperature figure be present When, determine that the pipe detection region leaks；The processor, it is additionally operable to work as the pixel for exceeding the preset temperature threshold value in the bright temperature figure in the absence of actual temperature value During point, determine that the pipe detection region does not leak.
- 5. system according to claim 3, it is characterised in thatThe processor, it is additionally operable to be schemed according to the bright temperature, obtains the actual temperature value of each pixel；The processor, it is additionally operable to obtain the bright temperature figure of history in record sheet, obtains the historical temperature value of each pixel；The processor, it is additionally operable to, according to the actual temperature value and the historical temperature value, obtain the temperature of each pixel Spend changing value；The processor, it is additionally operable to judge the pixel for exceeding preset change threshold in the bright temperature figure with the presence or absence of temperature change value Point；The processor, it is additionally operable to the pixel that temperature change value exceedes the preset change threshold in the bright temperature figure be present When, determine that the pipe detection region leaks；The processor, it is additionally operable to work as the pixel for exceeding the preset change threshold in the bright temperature figure in the absence of temperature change value During point, determine that the pipe detection region does not leak.
- 6. system according to any one of claim 1 to 5, it is characterised in that the temperature collector is infrared photography Head.
- 7. system according to claim 6, it is characterised in that the system also includes：Image processor；Described image processor is connected with the external apparatus interface of the infrared camera and the server；The infrared camera, the temperature figure specifically for shooting conduit region；Described image processor, it is additionally operable to determine the pipe detection region for detection in the conduit region；Described image processor, is additionally operable to by way of mapping, and the pipe detection region is calibrated in the temperature figure Location of pixels, obtain the temperature pixel map in the pipe detection region.
- 8. system according to claim 7, it is characterised in thatThe processor, it is additionally operable to, when judging that the pipe detection region does not leak, not generate warning information.
- 9. system according to claim 8, it is characterised in that the application platform includes：Siren, for generating alarm signal according to warning information.
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| CN109827075A (en) * | 2019-04-04 | 2019-05-31 | 常德市鼎城九申管道燃气有限公司 | A kind of method of the contactless remote detection leakage of pair of outdoor aerial gas pipeline |
| CN109900366A (en) * | 2019-03-22 | 2019-06-18 | 国网重庆市电力公司电力科学研究院 | A kind of method and device detecting arrester temperature anomaly point |
| CN112284619A (en) * | 2020-11-06 | 2021-01-29 | 重庆大唐国际彭水水电开发有限公司 | Oil leakage real-time monitoring device and detection method |
| CN114341608A (en) * | 2019-06-27 | 2022-04-12 | 利勃海尔-航空航天图卢兹有限公司 | Method and system for monitoring the state of an exchanger in an air circuit of an aircraft |
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| CN112284619A (en) * | 2020-11-06 | 2021-01-29 | 重庆大唐国际彭水水电开发有限公司 | Oil leakage real-time monitoring device and detection method |
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